TB 9-4931-540-24
(5) Adjust TRACKING GENERATOR AMPLITUDE control to position trace in
the middle of crt display.
(6) Press TRACE CLEAR A key and allow one complete sweep to occur.
(7) Press TRACE A - B key to on.
(8) Adjust MARKER/CONTINUOUS ENTRY knob to move marker to most
negative point on trace using TI marker amplitude indication.
(9) Press MARKER/CONTINUOUS ENTRY OFFSET key to on and then press
MARKER/CONTINUOUS ENTRY ENTER OFFSET key.
(10) Adjust MARKER/CONTINUOUS ENTRY knob to move marker to most
positive point on trace using TI marker amplitude indication. TI marker amplitude
indication will be 1.4 dB.
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.